2020005741325

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{703657}}^1$

素因数の和:703775

約数の個数: 72

約数和(自身を含む): 3005624483624

約数和(自身を除く): 985618742299

約数列:

[1, 5, 11, 13, 25, 55, 65, 73, 121, 143, 275, 325, 365, 605, 715, 803, 949, 1573, 1825, 3025, 3575, 4015, 4745, 7865, 8833, 10439, 20075, 23725, 39325, 44165, 52195, 114829, 220825, 260975, 574145, 703657, 2870725, 3518285, 7740227, 9147541, 17591425, 38701135, 45737705, 51366961, 85142497, 100622951, 193505675, 228688525, 256834805, 425712485, 503114755, 565036571, 667770493, 1106852461, 1284174025, 2128562425, 2515573775, 2825182855, 3338852465, 5534262305, 6215402281, 7345475423, 14125914275, 16694262325, 27671311525, 31077011405, 36727377115, 80800229653, 155385057025, 183636885575, 404001148265, 2020005741325]

約数ペア:

[(1, 2020005741325), (5, 404001148265), (11, 183636885575), (13, 155385057025), (25, 80800229653), (55, 36727377115), (65, 31077011405), (73, 27671311525), (121, 16694262325), (143, 14125914275), (275, 7345475423), (325, 6215402281), (365, 5534262305), (605, 3338852465), (715, 2825182855), (803, 2515573775), (949, 2128562425), (1573, 1284174025), (1825, 1106852461), (3025, 667770493), (3575, 565036571), (4015, 503114755), (4745, 425712485), (7865, 256834805), (8833, 228688525), (10439, 193505675), (20075, 100622951), (23725, 85142497), (39325, 51366961), (44165, 45737705), (52195, 38701135), (114829, 17591425), (220825, 9147541), (260975, 7740227), (574145, 3518285), (703657, 2870725)]